topic Re: /dev/lan0 creation in Operating System - HP-UX

/dev/lan0 creation

Benjamin_35 — Sat, 21 May 2005 15:50:54 GMT

I have two lan, 0 an 1 . Lan1 is Ok. Lan0 has no /dev/lan0, /dev/ether /dev/diag/lan0.

Anyone could explain me how to create /dev/lan0 in HPUX10.20?

Here goes the results of ioscan -fnC lan

Lan 0 8/4/1/0 btlan4 CLAIMED INTERFACE PCI(10110009) Built in #1

LAN 1 8/16/6 lan2 CLAIMED INTERFACE Built-in LAN /dev/diag/lan1 /dev/ether1 /dev/lan1

Many thanks,
Benjamin.

Re: /dev/lan0 creation

Bill Hassell — Sat, 21 May 2005 18:15:32 GMT

Just use insf -e. It will correct any missing device files automatically. Don't worry that it shows a bunch of existing device files, insf only adds missing files.

Re: /dev/lan0 creation

Hoang Chi Cong_1 — Sun, 22 May 2005 03:53:17 GMT

Hi

So just run :
insf -eC lan
As Bill Hassell, no trouble!

Goodluck!
Regard,
Hoang Chi Cong

Re: /dev/lan0 creation

Bharat Katkar — Sun, 22 May 2005 11:06:50 GMT

Hi Bengamin,

Yes "insf -e" should help if in case you or somebody else have deleted or removed the /dev/lan0 file.

Just to clarify one mopre thing:
If "ifconfig lan0" returns "no such interface" then lan0 could be there but not configured.
Just try executing (if /dev/lan0 exists)
# ifconfig lan0 -netmask UP

And then try looking at the Lan Status:
# ifconfig lan0

Other command used to check NIC Cards is:

# lanscan

Hope that helps.
Regards,

Re: /dev/lan0 creation

Benjamin_35 — Mon, 23 May 2005 08:00:42 GMT

Hi all,

Thank you for your reply.

the insf -e (or -eC lan) command just reinstalled lan1. It doeesn/t mention anything about lan0. I still don't have /dev/lan0.

lanscan returns lan0 and lan1. Lan0 appears as described below:
8/4/1/0 0x080009B8D74C 0 UP LAN0 UP 5 ETHER YES 119

The hole problem came after recovered the system using Ignite 1.45...

Re: /dev/lan0 creation

Bharat Katkar — Mon, 23 May 2005 08:24:09 GMT

hi benjamin,

I checked on my both IA/PA systems and on 11.11 and 11.23 but i did not see /dev/lan0.
I was able to see /dev/lan1 and /dev/lan2 on my 11i systems but no lan0.
Still ifconfig lan0 return everything OK.
Is that because of lan0 being on core I/O card?
Anyway, did you try giving some IP address to lan0 even if /dev/lan0 is not there.
Try configuring the lan0 and just ping the IP.
See what "ifconfig lan0" display.

Regards,

Re: /dev/lan0 creation

Benjamin_35 — Mon, 23 May 2005 09:06:54 GMT

The lan0 is working "fine". I need /dev/lan0 because of ILOG license(that searchs for /dev/lan0). Without /dev/lan0, the license doesn't work.

Backing to lan0, I can ping it and "rlogin" remote hosts. I'm using an card J3515.

ioscan returns
8/4/1/0 lan "PCI(10110009) --Built in #1

ifconfig lan0, returns:
lan0: flags=863
inet 130.200.1.1 netmask ffffff00 broadcast 130.200.1.255

Thanks,
benjamin

Re: /dev/lan0 creation

Stephen Keane — Mon, 23 May 2005 09:30:26 GMT

You could try

ln -s /dev/dlpi /dev/lan0

Always assuming that you have a /dev/dlpi of course.

Re: /dev/lan0 creation

Benjamin_35 — Tue, 24 May 2005 07:03:00 GMT

Hi all,

Stephen Keane solved the problem. I took a look in another backup tape and discovered that Ignite has change the IP adresses....
So I change the parameters with netconf and then, "ln -s", solved the hostid problem. That's all ok now. Just for information, HP Lan manual talks about ln /dev/lan and /dev/snap too.

Thank you all, and have a good day.
Benjamin.

Re: /dev/lan0 creation

Gary Cantwell — Tue, 24 May 2005 07:58:53 GMT

Please take a moment to assign points to those who have assisted you, here's how:

http://forums1.itrc.hp.com/service/forums/helptips.do?#33

Thanks,

Gary